package demo12;
@SuppressWarnings({"all"})
public class Test {
    public static void main(String[] args) {
        A a = new A();
        System.out.println(a.m);
    }
}

class A{
    static{
        System.out.println("这个类的静态的代码块");
        m=300;
    }
    static int m=100;
    public A(){
        System.out.println("这个类的构造方法初始化");
    }
}
